RIGOL Chapter 5 To Trigger the Oscilloscope
5-2 MSO1000Z/DS1000Z User’s Guide
Trigger Source
Press MENU Source in the trigger control area (TRIGGER) at the front panel to
select the desired trigger source. Analog channels CH1-CH4, digital channels D0-D15
or the AC Line can all be used as trigger source.
Analog channel input:
Signals input from analog channels CH1-CH4 can all be used as trigger source. No
matter whether the channel selected is enabled, the channel can work normally.
Note: When any channel among D7-D0 is enabled, CH4 cannot be used as trigger
source; when any channel among D15-D8 is enabled, CH3 cannot be used as trigger
source.
Digital channel input:
Only the digital channels turned on can be used as trigger source. Please refer to the
introduction of "To Turn on/off the Digital Channel" to turn on the desired
digital channel.
AC line:
The trigger signal is obtained from the AC power input of the oscilloscope. AC trigger
is usually used to measure signals relevant to the AC power frequency. For example,
stably trigger the waveform output from the transformer of a transformer substation;
it is mainly used in related measurements of the power industry.
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